Amendments to planning permission dated 30 October 2020 (RN:20/03222/FULL) for partial demolition and reconstruction of enlarged rear extension with additional storey; formation of terraces at ground, fourth, fifth and sixth floor levels; excavation to extend existing basement level; installation of plant machinery; internal alterations including installation of new grand stair; and associated external alterations in connection with increase in office floorspace (Class B1). Namely, to add a condition 26 to enable the development to be brought forward in phases and to amend the wording of conditions 12 and 25 to reflect this.

Variation of condition 1 of planning permission dated 30 May 2022 (RN:22/02156/FULL) for the Variation of condition 1 of planning permission dated 26 May 2021 (RN: 21/01109/FULL) (which varied conditions 1, 6 and 13 and removed conditions 8 and 18 of planning permission dated 11 September 2019 (RN 19/03450/FULL)) for 'Refurbishment and extension of existing building to provide additional B1 (office) floorspace, use of ground floor for retail (Class A1) purposes and Class A3 (cafe/restaurant) purposes and gym (Class D2) at basement level; terraced infilling of central courtyard, creation of roof terraces together with green roofs; reconfiguration and provision of additional plant accommodation at basement and roof level; replacement windows and new entrances together with new shopfronts; new layout at ground level for accessible parking and refuse store; cycle parking and showers and servicing at basement level, to amend the approved drawings to reflect design and technical development changes post planning permission, including alterations to proposed roof plant, removal of green walls and retention and refurbishment of pentagon roof. Namely amendment to layout at floor 8 to extend it and consequential amendment at roof level.

Variation of condition 4 of planning permission dated 25 November 2022 (RN 21/06493/FULL) for Use of ground and basement floors of 246 as a retail shop (Class E), with hotel fire escape between ground to upper ground floor levels, internal alterations to accommodate a new upper ground floor at 246 and 254 comprising cafe (Class E) and hotel (Class C1) floor space, installation of mechanical plant to the rear of 246, use of basement floor of No.254 as office accommodation (Class E), and use of part of ground floor of 254 as a hotel reception (Class C1) with associated amendment to shop front. NAMELY, To extend the timeframe for the development to be carried out in its entirety as a single phase of works from 18 to 24 months from the date of the decision notice.

Variation of condition 1 of planning permission dated 26 May 2021 (RN: 21/01109/FULL) (which varied conditions 1, 6 and 13 and removed conditions 8 and 18 of planning permission dated 11 September 2019 (RN 19/03450/FULL)) for 'Refurbishment and extension of existing building to provide additional B1 (office) floorspace, use of ground floor for retail (Class A1) purposes and Class A3 (cafe/restaurant) purposes and gym (Class D2) at basement level; terraced infilling of central courtyard, creation of roof terraces together with green roofs; reconfiguration and provision of additional plant accommodation at basement and roof level; replacement windows and new entrances together with new shopfronts; new layout at ground level for accessible parking and refuse store; cycle parking and showers and servicing at basement level, to amend the approved drawings to reflect design and technical development changes post planning permission, including alterations to proposed roof plant, removal of green walls and retention and refurbishment of pentagon roof. NAMLEY, to allow amendments to the design of the windows at Level 8 of the Pentagon.

Amendments to planning permission dated 13 September 2019 (19/04205/FULL) (as amended by non-material amendment dated 16 May 2022 (22/02801/NMA)) for 'Alterations and extension to the south wing of the Savoy Hotel, comprising reconstruction of the existing eighth floor hotel rooms behind part retained facade and extended mansard, erection of a single storey roof extension at ninth floor for ancillary food and beverage use, formation of a roof top terrace and screen, installation of new plant and extension to existing plant room at level six roof, and associated works including the reinstatement of existing flagpole'. NAMELY, add condition 17 to allow the approved development to be delivered in separate phases and to amend condition 15 (CoCP) to accord with this phasing programme.

Amendments to planning permission dated 06 August 2020 (Ref: 19/08291/FULL) for, 'Excavation of a sub-basement, redevelopment of nos. 5 - 6 Yarmouth Place, alterations and extension to provide enlarged sixth and new seventh floor storeys and installation of plant at basement, ground and fourth floor levels. Use of extended and altered building as 36 x flats (Class C3) (an additional 28 above existing), car / cycle parking and a shop (Class A1) or financial and professional institution (Class A2) at part ground floor level. Internal alterations. (site comprises 96-100 Piccadilly and 5 - 6 Yarmouth Place)'; NAMELY, to amend the description of development to amend the description of development as follows: Amendments to planning permission dated 6 August 2020 (Ref: 19/08291/FULL) for 'Excavation of sub-basement, redevelopment of Nos. 5-6 Yarmouth Place, alterations and extension to provide enlarged sixth and new seventh floor storeys and installation of plant at basement and ground floor levels. Use of extended and altered building as up to 36 x flats (Class C3) (up to an additional 28 above existing), car/cycle parking and a Class E use. Internal alterations. (SITE COMPRISES 96-100 PICCADILLY AND 5-6 YARMOUTH PLACE)

Amendments to planning permission dated 23 May 2019 (RN: 17/07726/FULL), namely to amend the description of development to read as follows: Extension of existing office and retail building and associated works to provide additional office floorspace at roof level, use of part of the ground floor for commercial and Sui Generis use, part demolition and alterations to the stone facade fronting Buckingham Palace Road and the part removal of the glazed building canopy, alterations to the public realm, creation of high level terraces, alterations to bus facility on Bulleid Way and roof top plant along with highway, landscaping and other works.

Variation of condition 1, 6 and 13 and removal of condition 8 and 18 of planning permission dated 11th September 2019 (RN 19/03450/FULL) for the refurbishment and extension of existing building to provide additional B1 (office) floorspace, use of ground floor for retail (Class A1) purposes and Class A3 (cafe/restaurant) purposes and gym (Class D2) at basement level; terraced infilling of central courtyard, creation of roof terraces together with green roofs; reconfiguration and provision of additional plant accommodation at basement and roof level; replacement windows and new entrances together with new shopfronts; new layout at ground level for accessible parking and refuse store; cycle parking and showers and servicing at basement level. NAMELY, to amend the approved drawings to reflect design and technical development changes post planning permission, including alterations to proposed roof plant, removal of green walls and retention and refurbishment of pentagon roof.

Amendments to planning permission dated 20 June 2016 (RN: 15/10444) for: Variation of Condition 1 of planning permission dated 8 December 2011 (RN10/01741/FULL) for development of 55-91 Knightsbridge (including retention of Knightsbridge and William Place facades) to provide retail (Class A1) at basement and ground floor levels, office ( Class B1) at part ground, first, and second floor levels and residential flats at part ground, part first,part 2nd and 3rd to 5th floor levels. Off street servicing and new sub basement car park. Removal and replacement of existing tree on William Street. Demolition of 1-2 William Street and its replacement with a redesigned building with internal linkages to 55-91 Knightsbridge. Restoration and repair of external facades and roofs to 3-7 William Street including reinstatement of original roof profile at 4 William Street, conversion of 1st to 3rd floor levels of 3 and 4 William Street for residential purposes ( Class C3). Namely, the substitution of new drawings to allow minor material amendments comprising a revised number and mix of residential units; the provision of a terrace for a residential unit on the western end of the building; erection of a lift shaft to the rear of 4 William Street; alterations to shopfront of Nos. 3 - 4 William Street; extension at 4th floor level to the rear of Knightsbridge; and reconfiguration of the fenestration. Namely, amendment to the external air vent at 4 William Street.

Amendments to planning permission dated 1 September 2014 (RN: 14/02566/FULL) for: Variation of Condition 1 of planning permission dated 04.09.13 (RN: 12/12041) for external alterations and extensions including rebuilding of existing 7th and 8th floor levels, installation of photo-voltaic cells, green roof & plant at roof level, alterations to street facades and rebuilding of rear facades (with new balconies on Smith Court and Piccadilly Theatre frontages, and roof terraces at eight floor level on all frontages), provision of 38 dwellings at 4th-8th floors, with new residential entrance to Sherwood Street, use of second and third floor as offices (Class B1), reconfiguration of existing uses at basement, ground and first floor levels at 12/13 Sherwood Street and 63-75 Brewer Street to provide 2 No. retail (Class A1) units and altered health club (Class D2) layout with new health club entrance on Brewer Street - to allow minor amendments to the approved scheme including: changes to the steel window design on the street facing facades; alterations to the aluminium window design on the rear facades; installation of ventilation grilles in the windows at 3rd-7th floor levels on the Sherwood Street and Brewer Street elevations; alterations to the flank/party wall on Brewer Street; changes to the roof layout and massing; AND removal of Condition 3(2) (requiring detailed drawings of new windows): NAMELY, to amend energy and sustainability strategies to facilitate the removal of a trigeneration system forming part of the central plant within The Crown Estate's Quadrant development and amend the wording of condition 20 accordingly.